Bike-on-Bike
Default Config
Insights
Very upright stack and reach vs trend of track/fixed-gear bikes
Design deviates from other sizes of State Bicycle Co. 4130 Fixed Gear / Single-Speed
Average stack and reach vs trend of track/fixed-gear bikes
Design deviates from other sizes of Surly Bikes Steamroller
Geometry
Stack | 520mm | 504.9mm -15.1mm |
Reach | 372mm | 388.1mm +16.1mm |
Stack to Reach Ratio | 1.4:1 | 1.3:1 |
Seat Tube Length, C-T | 520mm | — |
Seat Tube Length, Unknown | — | 490mm |
Top Tube Length, Effective/Horizontal Center | — | 529.5mm |
Top Tube Length, Effective/Horizontal Unknown | 517mm | — |
Top Tube Length, Actual C-C | 515mm | 526.5mm +11.5mm |
Top Tube Slope | 2.2deg | 1.2deg -1deg |
Head Tube Angle | 71deg | 72.5deg +1.5deg |
Seat Tube Angle | 74deg | 74.5deg +0.5deg |
Head Tube Length | 105mm | 83mm -22mm |
Bottom Bracket Drop | 60mm | 70mm +10mm |
Bottom Bracket Height | 276mm | 279mm +3mm |
Chainstay Length | 412mm | 398mm -14mm |
Chainstay Length Horizontal | 407.6mm | 391.8mm -15.8mm |
Front-Center | 583.5mm | 569.3mm -14.2mm |
Front-Center Horizontal | 580.4mm | 565mm -15.4mm |
Wheelbase | 988mm | 956.8mm -31.2mm |
Fork Offset/Rake | 45mm | 38mm -7mm |
Fork Length (Axle-To-Crown) | — | 375mm |
Fork Length, Unknown | 402mm | — |
Trail | 68.1mm high | 70.2mm +2.1mm high |
Mechanical Trail | 64.4mm | 67mm +2.6mm |
Wheel Flop | 21mm | 20.1mm -0.9mm |
Standover Height | 759mm | 756.5mm -2.5mm |
Tire to Pedal Spindle | 77.5mm 170 mm cranks | 50.3mm -27.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 106mm 170 mm cranks | 109mm +3mm 170 mm cranks |
Build
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 25mm | 38mm +13mm |
Tire Outer Diameter | 672mm | 698mm +26mm |
Bike Length with Tires | 1660mm | 1654.8mm -5.2mm |
Crank Length | 170mm | — |
Handlebar Width | 57cm | — |
Stem Length | 90mm | — |
Stem Angle | 7deg | — |
| Suspension Type | Rigid, non-suspension corrected | Rigid, non-suspension corrected |
| Bar Type | Flat Bar | Drop Bar |
| Frame Material | Steel | Steel |
| Fork Material | Steel | Steel |
| Brake Type | Rim | Rim |
| Features | — | Single-speed capable |
Meta
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| Source | https://www.statebicycle.com/blogs/size-and-spec-guides/4130-core-line-sizing-guide | https://surlybikes.com/bikes/steamroller |
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